#include<stdio.h>
#include<iostream>
#include<string.h>
using namespace std;
int main()
{
	int a, b, c, max;
	cin >> a >> b >> c;
	if (a > b)max = a;
	else max = b;
	if (c > max)max = c;
	cout << max << endl;
	return 0;
}